Studying the expression of proteins important for breast cancer diagnostics in order to find specific markers of IBC enabled the discovery of elevated E‐cadherin [6] and P‐cadherin (cadherin signaling pathways control invasion and metastasis) expression in IBC tumors [7], but they are present in some non‐IBC tumors as well. The gene discussed is CDH1; the disease is inflammatory breast carcinoma.